NINE-FOX | Dongle

Introduction: Provide a 2.4G Bluetooth adapter to connect the Ninetails Bluetooth keyboard in wireless mode

Schematic PCB

wireless keyboard

Introduction: Use esp8266 plus CH9328 chip to implement customized keyboard functions. Through the ESP-NOW protocol, you can wirelessly control keyboard execution.

Schematic PCB

Remote Control Toy Kit

Introduction: This is a remote control toy kit, including a core board, remote control base plate and motor drive base plate. The core board can be installed on different base plates and connected with 1.27mm pin headers and female headers.

Schematic PCB

Small four-axis flight control (simplified version)

Introduction: Record the production of a small quadcopter.

Schematic PCB

Shiro VR Radio

Introduction: Simplified SteamVR receiver module made using nRF52840

Schematic PCB

NRF52840 Dongle

Introduction: nRF52840 self-modifying receiver for SteamVR adaptation

Schematic PCB

NFC electronic business card/bus card/small advertisement

Introduction: NFC electronic business cards/bus cards/small advertisements are based on open source projects https://oshwhub.com/ljylovewyn/xi-an-di-tie-NFCming-pian

Schematic PCB

Shortwave Antenna 1:1 Balun

Introduction: 1:1 balun used in amateur radio shortwave antennas

Schematic PCB

ZIGBEE module 0402 package 20191106

Introduction: The ZIGBEE communication module test has passed.

Schematic PCB

ST25DV solution verification board

Introduction: A verification version of the st25 solution based on st’s official “ANT7-T-ST25DV04K” evaluation board. Passed program verification and can be used

Schematic PCB

ESP32 C3 circuit breaker relay

Introduction: ESP32 C3 on-off module, relay control

Schematic PCB

Love Tomb Style No. 2 - USB Docking Station in the VL822 Atmosphere

Introduction: Super-speed USB docking station based on VL822

Schematic PCB

GIK87 gaming keyboard_G613 main control_monochrome backlight

Introduction: GIK87 keyboard adopts Logitech G613 main control, male model 87 shell, monochrome backlight, and hot-swappable axis. Equipped with volume knob, dimmer knob, and button switch. The original intention of this keyboard is to use Logitech's LightSpeed ​​strongest wireless technology to create a wireless gaming keyboard without lag.

Schematic PCB

G613 keyboard modification-with GcoreV3

Introduction: Main schematic diagram and PCB of the keyboard with GcoreV3 main control adapter board. It's very easy to create the wireless keyboard you want. Adopt G613 main control.

Schematic PCB

Omron shaft adapter Cherry MX shaft

Introduction: Omron shaft changed to MX cherry shaft - small adapter board

Schematic PCB

ChameleonMini

Introduction: ChameleonMini is based on a piece of hardware for multi-band and multi-type RFID simulation designed by a German university when studying RFID security. Realize functions such as M1 card simulation and key sniffing.

Schematic PCB

ESP32_CAN_STICK

Introduction: CANUSB transceiver implemented based on ESP32S2, the software is compatible with ZLG WIFICAN transceiver protocol. Source code and host computer: https://note.youdao.com/s/D0wWeRdR

Schematic PCB

DIY_2.4G_Yagi antenna

Introduction: The antenna parameters are from the Texas Instruments website. For details, check: https://www.ti.com.cn/cn/lit/an/swra350/swra350.pdf?ts=1651263534722

Schematic PCB

[Open Source] STM32 four-axis remote control

Introduction: A four-axis remote control based on the open source four-axis version of RoboFly.

Schematic PCB

[Open Source] STM32 quadcopter-old version

Introduction: A quadcopter made with reference to Xiaoma Ge’s RoboFly open source quadcopter

Schematic PCB